2881822

Information

• Patent Grant
• 2881822

• References
• Source

• Patent Number

  2,881,822

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1959
  65 years ago

• CPC

  • C21D8/08 - for concrete reinforcement
  • B21D11/15 - Reinforcing rods for concrete

• US Classifications

  • 072 - Metal deforming